ArticleJournal of bacteriology2005
Identification of two new genes involved in diazotrophic growth via the alternative Fe-only nitrogenase in the phototrophic purple bacterium Rhodobacter capsulatus.
Article in Journal of bacteriology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 23 citations in OpenAlex.
- Expression of V-nitrogenase and Fe-nitrogenase inApplied and environmental microbiology · 2023Article
- AnfO controls fidelity of nitrogenase FeFe protein maturation by preventing misincorporation of FeV-cofactor.Molecular microbiology · 2022Article
- A low-potential terminal oxidase associated with the iron-only nitrogenase from the nitrogen-fixing bacteriumThe Journal of biological chemistry · 2019Article
- Proteome Profiling of the Rhodobacter capsulatus Molybdenum Response Reveals a Role of IscN in Nitrogen Fixation by Fe-Nitrogenase.Journal of bacteriology · 2015Article
- NifA- and CooA-coordinated cowN expression sustains nitrogen fixation by Rhodobacter capsulatus in the presence of carbon monoxide.Journal of bacteriology · 2014Article
- Coordinated expression of fdxD and molybdenum nitrogenase genes promotes nitrogen fixation by Rhodobacter capsulatus in the presence of oxygen.Journal of bacteriology · 2014Article
- Bacteroidales ectosymbionts of gut flagellates shape the nitrogen-fixing community in dry-wood termites.The ISME journal · 2012Article
- Nitrogenase gene amplicons from global marine surface waters are dominated by genes of non-cyanobacteria.PloS one · 2011Article
- A Rhodobacter capsulatus member of a universal permease family imports molybdate and other oxyanions.Journal of bacteriology · 2010Article
- Overlapping and specialized functions of the molybdenum-dependent regulators MopA and MopB in Rhodobacter capsulatus.Journal of bacteriology · 2006Article
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Authors and funding
11 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Growth of Rhodobacter capsulatus with molecular dinitrogen as the sole N source via the alternative Fe-only nitrogenase requires all seven gene products of the anfHDGK-1-2-3 operon. In contrast to mutant strains carrying lesions in the structural genes of nitrogenase (anfH, anfD, anfG, and anfK), strains defective for either anf1, anf2, or anf3 are still able to reduce the artificial substrate acetylene, although with diminished activity. To obtain further information on the role of Anf1, we screened an R. capsulatus genomic library designed for use in yeast two-hybrid studies with Anf1 as bait. Two genes, which we propose to call ranR and ranT (for genes related to alternative nitrogenase), coding for products that interact with Anf1 were identified. A ranR mutant exhibited a phenotype similar to that of an anf1 mutant strain (no growth with N2 in the absence of molybdenum, but significant reduction of acetylene via the Fe-only nitrogenase), whereas a ranT mutant retained the ability to grow diazotrophically, but growth was clearly delayed compared to the parental strain. In contrast to the situation for anf1, expression of neither ranR nor ranT was regulated by ammonium or molybdenum. A putative role for Anf1, RanR, and RanT in the acquisition and/or processing of iron in connection with the Fe-only nitrogenase system is discussed.
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